K&N 33-5138 high-flow replacement air filter for Ford E-350 Super Duty 7.3L
K&N replacement air filter for 2021-2026 Ford E-350 Super Duty 7.3L V8
K&N washable and reusable panel air filter for Ford E-350 Super Duty
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K&N 21-24 Ford E350/E450 Super Duty Replacement Air Filter

KNN33-5138
024844402189
Air Filters - Drop In
15 Units In Stock - Ships Next Business Day
$ 63.00
$ 63.00

SKU: 33-5138

K&N High-Flow Replacement Air Filter for 2021–2026 Ford E-350 Super Duty 7.3L

Black Ops Auto Works is proud to offer the **K&N High-Flow Replacement Air Filter** as the premium drop-in upgrade for 2021–2026 Ford E-350 Super Duty models equipped with the 7.3L V8 gasoline engine. This washable and reusable panel filter features K&N’s signature layered, oiled cotton media for superior airflow and filtration, delivering increased horsepower and improved throttle response. Engineered to last the lifetime of your vehicle and backed by K&N’s famous No-Hassle Lifetime Limited Warranty, this filter is an excellent choice for work trucks, fleet vehicles, and performance-oriented E-350 builds.

Why Choose K&N Replacement Air Filters from Black Ops Auto Works?

  • High-Flow Design – Increases horsepower and acceleration
  • Washable & Reusable – Clean and reuse for the life of your vehicle
  • Superior Filtration – Captures contaminants while allowing maximum airflow
  • Direct Drop-In – Fits factory air box with no modifications
  • K&N Quality – Trusted by enthusiasts and fleet operators for over 50 years

Key Features

  • Panel Dimensions – 10.563 in. L x 10.125 in. W x 1.188 in. H
  • Oiled Cotton Gauze Media – Excellent airflow and filtration efficiency
  • No-Hassle Lifetime Limited Warranty – The best in the industry
  • Easy Maintenance – Clean and re-oil with K&N Filter Care products

Specifications

Detail Value
Brand K&N
Type High-Flow Replacement Air Filter
Style Panel
Dimensions 10.563 in. L x 10.125 in. W x 1.188 in. H
Filter Material Cotton Gauze
Country of Origin United States
Warranty No-Hassle Lifetime Limited Warranty

Whats Included

  • 1 x K&N High-Flow Replacement Air Filter

Product Notes

  • Designed specifically for 2021–2026 Ford E-350 Super Duty with the 7.3L V8 gasoline engine
  • Clean and re-oil with K&N Filter Care products as needed
  • Professional installation recommended

This Part Fits

Year Range Make Model Notes
2021–2026 Ford E-350 Super Duty 7.3L V8 Gasoline Engine

Why Choose K&N through Black Ops Auto Works?

  • Black Ops Auto Works is your trusted authority for premium K&N air filters and intake systems
  • K&N filters deliver proven performance gains and lifetime serviceability
  • Expert support and fast shipping for your E-350 Super Duty
  • Backed by K&N’s legendary reputation for quality and innovation

Frequently Asked Questions

  • Q: Is this filter washable and reusable?
  • A: Yes. It is designed to be cleaned and reused for the life of your vehicle.
  • Q: Will this fit my 2023 Ford E-350 Super Duty 7.3L?
  • A: Yes. It is a direct replacement for 2021–2026 Ford E-350 Super Duty models with the 7.3L V8 gasoline engine.
  • Q: Is professional installation recommended?
  • A: Installation is simple and straightforward for most applications.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Secure K&N retail packaging
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